Good to know: Integrated cockpit
Integrated cockpit (a one-piece bar and stem) on at least one build. Changing the length means replacing the whole cockpit, and not every length exists. Check which length the bike actually ships with before you buy.
Geometry ?
Radon Tigard 2026 geometry in sizes S–XL: stack 523–625 mm, reach 379–398 mm, head angle 70.5–72.5°.
| S | M | L | XL | |
|---|---|---|---|---|
| Stack | 523 mm | 553 mm | 587 mm | 625 mm |
| Reach | 380 mm | 379 mm | 390 mm | 398 mm |
| Head angle | 70.5° | 71° | 72.5° | 72.5° |
| Seat angle | 75° | 73.8° | 73° | 73° |
| Seat tube (c-t) | 460 mm | 490 mm | 520 mm | 560 mm |
| Head tube | 100 mm | 130 mm | 160 mm | 200 mm |
| Top tube (effective) | 520 mm | 540 mm | 570 mm | 590 mm |
| BB drop | 70 mm | 70 mm | 70 mm | 70 mm |
| Chainstay | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1023 mm | 1023 mm | 1031 mm | 1051 mm |
| Stock build by size | ||||
| Cranks | 165 mm | 170 mm | 172.5 mm | 175 mm |
| Stem | 70 mm | 80 mm | 90 mm | 110 mm |
| Bar width | 440 mm | 440 mm | 440 mm | 440 mm |
Source: radon-bikes.de, checked 3 Nov 2026 · bar position: worked out from published data
Stock build
Tigard GRX Di2 825 €5,999
- Groupset
- Shimano GRX Di2 RD-RX825, 12-Speed
- Shifters
- Shimano GRX Di2 ST-RX825, 2×12
- Cranks
- Shimano GRX FC-RX820, 48-31T
- Handlebar
- TIGARD Aero Carbon stem-handlebar unit
- Seatpost
- MOQUAI SPS-3D, 31.6×400 mm
- Saddle
- Ergon SR Allroad, Titan rails
- List price
- €5,999 (radon-bikes.de, 3 Nov 2026)
Tigard GRX 820 €4,999
- Groupset
- Shimano GRX RD-RX820, 12-Speed
- Shifters
- Shimano GRX ST-RX820, 2×12
- Cranks
- Shimano GRX FC-RX820, 48-31T
- Stem
- MOQUAI ST278A AL, Ø31.8 mm
- Handlebar
- MOQUAI Gravel, Ø31.8 mm
- Seatpost
- MOQUAI SPS-3D, 31.6×400 mm
- Saddle
- Ergon SR Allroad, Titan rails
- List price
- €4,999 (radon-bikes.de, 3 Nov 2026)
Source for all builds: radon-bikes.de, checked 3 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size S (stack 523 / reach 380 mm).
Stack and reach within 12 mm of size M (stack 553 / reach 379 mm).
Stack and reach within 12 mm of size L (stack 587 / reach 390 mm).
Stack and reach within 12 mm of size XL (stack 625 / reach 398 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 8 values for this model’s stem and bars. Add them